Ipratropium Oral Inhalation: learn about side effects, dosage, special precautions, and more on MedlinePlusinsert and dispense with the product. Prescribing Information. DESCRIPTION. The active ingredient in ATROVENT Nasal Spray is ipratropium bromide (as theConsumer Medicine Information (CMI) about APO-Ipratropium (ipratropium bromide) intended for persons living in Australia.